Q. My ISP DNS servers are overloaded, can you give me free dns server IP address for fast name resolution?
A. You can try following fast DNS server free of cost. I've personally used them and they offer reliability, speed and security. All you have to do is punch following two IP address into your router or computer DNS list.
OpenDNS Free DNS Server IP address
ScrubIT Free DNS Server IP address
How do I setup DNS Server IP address?
Under Linux / UNIX / Solaris / BSD operating systems, just open your /etc/resolv.conf file and add above IP address:
If you are using Windows Vista, just follow these instructions or refer this guide published at OpenDNS website.